@Override
public void configurePinnedHeaders(PinnedHeaderListView listView) {
int size = getPartitionCount();
int topPosition = listView.getPositionAt(0);
int partition = getPartitionForPosition(topPosition);
if (partition >= 0) {
for (int i = 0; i < size; i++) {
if (isHeaderVisible(partition)) {
listView.setHeaderInvisible(i, isPartitionEmpty(i));
}
}
if (isHeaderVisible(partition)) {
int headerHeight = listView.getPinnedHeaderHeight(partition);
int visiblePosition = listView.getPositionAt(headerHeight);
if (getPartitionForPosition(visiblePosition) == partition) {
listView.setHeaderPinnedAtTop(partition, 0);
} else {
listView.setFadingHeader(partition, topPosition, true);
}
}
}
}
@Override
public void configurePinnedHeaders(PinnedHeaderListView listView) {
super.configurePinnedHeaders(listView);
if (!isSectionHeaderDisplayEnabled()) {
return;
}
int index = getPinnedHeaderCount() - 1;
if (mIndexer == null || getCount() == 0) {
listView.setHeaderInvisible(index, false);
} else {
int listPosition = listView.getPositionAt(listView.getTotalTopPinnedHeaderHeight());
int position = listPosition - listView.getHeaderViewsCount();
int section = -1;
int partition = getPartitionForPosition(position);
if (partition == mIndexedPartition) {
int offset = getOffsetInPartition(position);
if (offset != -1) {
section = getSectionForPosition(offset);
}
}
if (section == -1) {
listView.setHeaderInvisible(index, false);
} else {
setPinnedSectionTitle(mHeader, (String) mIndexer.getSections()[section]);
if (section == 0) {
setPinnedHeaderContactsCount(mHeader);
} else {
clearPinnedHeaderContactsCount(mHeader);
}
// Compute the item position where the current partition begins
int partitionStart = getPositionForPartition(mIndexedPartition);
if (hasHeader(mIndexedPartition)) {
partitionStart++;
}
// Compute the item position where the next section begins
int nextSectionPosition = partitionStart + getPositionForSection(section + 1);
boolean isLastInSection = position == nextSectionPosition - 1;
listView.setFadingHeader(index, listPosition, isLastInSection);
}
}
}
